Donut Lab's third independent VTT test confirms its solid-state battery retains 97.7% capacity after 240 hours idle. Energy density and cycle life remain untested.

ION Storage Systems becomes the first U.S. solid-state battery company to pass customer cell performance qualification.

Donut Lab released the results of the second independent test showing that its solid-state battery can handle extreme heat without affecting its performance ...

VTT's second independent test shows Donut Lab's solid-state cell delivered 110% capacity at 80°C and survived 100°C discharge ...

The Donut Lab solid-state battery was heated to the boiling point of water. Here’s what happened next.

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A research team at Nankai University in Tianjin, China, claims to have tested what it describes as the world’s first semi-solid state battery to exceed 1,000 kilometers of range in a real vehicle. The ...

Explore the solid state vs lithium ion debate in this detailed battery technology comparison, highlighting differences in energy density, longevity, safety, and future energy storage potential.

Finnish startup Donut Lab has just released the third independent test of its solid-state ...